| busdma_machdep-v4.c (257203) | busdma_machdep-v4.c (257228) |
|---|---|
| 1/*- 2 * Copyright (c) 2012 Ian Lepore 3 * Copyright (c) 2004 Olivier Houchard 4 * Copyright (c) 2002 Peter Grehan 5 * Copyright (c) 1997, 1998 Justin T. Gibbs. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * From i386/busdma_machdep.c,v 1.26 2002/04/19 22:58:09 alfred 30 */ 31 32#include <sys/cdefs.h> | 1/*- 2 * Copyright (c) 2012 Ian Lepore 3 * Copyright (c) 2004 Olivier Houchard 4 * Copyright (c) 2002 Peter Grehan 5 * Copyright (c) 1997, 1998 Justin T. Gibbs. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without --- 16 unchanged lines hidden (view full) --- 25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 * 29 * From i386/busdma_machdep.c,v 1.26 2002/04/19 22:58:09 alfred 30 */ 31 32#include <sys/cdefs.h> |
| 33__FBSDID("$FreeBSD: head/sys/arm/arm/busdma_machdep.c 257203 2013-10-27 03:29:38Z ian $"); | 33__FBSDID("$FreeBSD: head/sys/arm/arm/busdma_machdep.c 257228 2013-10-27 21:39:16Z kib $"); |
| 34 35/* 36 * ARM bus dma support routines. 37 * 38 * XXX Things to investigate / fix some day... 39 * - What is the earliest that this API can be called? Could there be any 40 * fallout from changing the SYSINIT() order from SI_SUB_VM to SI_SUB_KMEM? 41 * - The manpage mentions the BUS_DMA_NOWAIT flag only in the context of the --- 945 unchanged lines hidden (view full) --- 987 * Did we fit? 988 */ 989 if (buflen != 0) { 990 _bus_dmamap_unload(dmat, map); 991 return (EFBIG); /* XXX better return value here? */ 992 } 993 return (0); 994} | 34 35/* 36 * ARM bus dma support routines. 37 * 38 * XXX Things to investigate / fix some day... 39 * - What is the earliest that this API can be called? Could there be any 40 * fallout from changing the SYSINIT() order from SI_SUB_VM to SI_SUB_KMEM? 41 * - The manpage mentions the BUS_DMA_NOWAIT flag only in the context of the --- 945 unchanged lines hidden (view full) --- 987 * Did we fit? 988 */ 989 if (buflen != 0) { 990 _bus_dmamap_unload(dmat, map); 991 return (EFBIG); /* XXX better return value here? */ 992 } 993 return (0); 994} |
| 995 996int 997_bus_dmamap_load_ma(bus_dma_tag_t dmat, bus_dmamap_t map, 998 struct vm_page **ma, bus_size_t tlen, int ma_offs, int flags, 999 bus_dma_segment_t *segs, int *segp) 1000{ 1001 1002 return (bus_dmamap_load_ma_triv(dmat, map, ma, tlen, ma_offs, flags, 1003 segs, segp)); 1004} 1005 |
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| 995/* 996 * Utility function to load a linear buffer. segp contains 997 * the starting segment on entrance, and the ending segment on exit. 998 */ 999int 1000_bus_dmamap_load_buffer(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf, 1001 bus_size_t buflen, struct pmap *pmap, int flags, bus_dma_segment_t *segs, 1002 int *segp) --- 495 unchanged lines hidden --- | 1006/* 1007 * Utility function to load a linear buffer. segp contains 1008 * the starting segment on entrance, and the ending segment on exit. 1009 */ 1010int 1011_bus_dmamap_load_buffer(bus_dma_tag_t dmat, bus_dmamap_t map, void *buf, 1012 bus_size_t buflen, struct pmap *pmap, int flags, bus_dma_segment_t *segs, 1013 int *segp) --- 495 unchanged lines hidden --- |